Multiple figure display device



y 20, 5 s. T. GALLEGOS 3, 5,

MULTIPLE FIGURE DISPLAY DEVICE Filed Sept. 30. 1963 INVENTOR ATTORNEY United States Patent 3,195,812 MULTIPLE FIGURE DISPLAY DEVICE Silas T. Gallegos, 1326 Dartmouth NE, Albuquerque, N. Mex. Filed Sept. 30, 1963, Ser. No. 312,628 3 Claims. (Cl. 235-436) The present invention relates to machines of the type capable of showing any arrangements of printed material and, more particularly, to a machine for computing rates of interest for each month of the year from $1.00 upward.

More specifically, the invention comprises a casing having open top and bottom ends, a transparent sheet closing each of the top and bottom ends, a plurality of sections within the casing, each section including a pair of idler rolls freely rotatably mounted within the casing adjacent the top end, a second pair of idler rolls freely rotatably mounted adjacent the bottom end, a first roller mounted within the casing below the first pair of idler rolls and offset with respect thereto, a paper roll for each section bearing indicia on its face, one end of the paper roll being attached to the first roller with the paper passing over the idler rolls of the first pair, thence over the idler rolls of the second pair and the other end of the paper being attached to the second roller, a drive roller mounted in the casing, a sprocket for the drive roller and the first and second rollers of each section, and a chain trained around the sprockets whereby rotation of the drive roller imparts rotation to the first and second rollers of each section thereby feeding the paper from one roller to the other roller and vice versa whereby the indicia on the paper between the idler rolls of the respective pairs is visible through the transparent sheets.

Another object of the invention is to provide a machine of the type referred to in the preceding paragraph including means cooperable with the drive roller for locking the machine after a predetermined number of revolutions of such roller in one direction with such locking means comprising a pulley within the casing, a cord having a length equal to the length of the smallest paper roll trained about the pulley and means for securing the ends of the cord to the drive roller.

Yet another object of the invention is to provide a computing machine of the type above described in which each section computes different rates of interest so that the user can ascertain the interest for a particular amount at various interest rates at the same time.

Yet a further object of the invention is to provide a computing machine which is relatively simple in structural detail, positive and efiicient in operation, and capable of being inexpensively manufactured.

Further objects and advantages of the invention will become more readily apparent from the following detailed description and annexed drawings, and in which drawingsz FIGURE 1 is a side elevational view of a preferred embodiment of the invention,

FIGURE 2 is a view in perspective of the machine shown in FIGURE 1, and

FIGURE 3 is a fragmentary sectional view of the details of one of the rollers and its mounting in the side wall.

As shown in FIGURES 1 and 2, the machine is defined by a housing or casing H formed of any suitable material. The casing H includes side walls 10, rear wall 11, front wall 12, and a bottom wall 13. The upper end of the machine is open and is adapted to be closed by a transparent sheet or pane 14 such as glass, and which sheet can be mounted in the side, rear and front walls in any suitable manner. As best shown in FIGURE 2, the front wall 12 is of lesser height than the rear wall Patented July 20, 1955 so that the transparent sheet 14 will be disposed at an angle which will permit the interior of the casing to be seen without the necessity of the user changing position.

As shown in FIG. 1, the casing comprises side walls 100, rear wall 1311, front wall 102, and open top and bottom ends. The top and bottom ends are each adapted to be closed by a transparent sheet or pane 103 which can be mounted in suitable guides in the walls of the casing so that each pane can be removed from the easing through the rear end thereof.

The upper and lower edges of the side walls slope inwardly from the front wall in the direction of the rear wall at the same angle, and the rear wall 101 includes inclined surfaces 101a and 101b, the purpose of which will hereinafter be described. In addition, the top and bottom ends of the casing are provided with a pair of vertically adjustable legs 104 of conventional type to adjust the angular position of the casing relative to the supporting surface for the casing. These legs are preferably arranged in proximity to the front wall 102.

Mounted within the casing are a plurality of computing sections S and while I have illustrated three such sections, it is to be understood that a lesser or greater number of sections may be used. Each section comprises pairs of top and bottom spaced apart glass rollers or idlers 105 and 1%, respectively, with such idlers being rotatably supported by the side walls 1%. Located below and offset with respect to the idlers 195 is a roller 1G7, and located above and offset with respect to the idlers we is a roller 1%. The rollers 1tl7 and 1118 are supported by the casing for rotation in either a clockwise or counterclockwise direction.

A paper roll P is attached at one end to the roller 187, and passes from such roller about the top idlers 11. 5, downwardly and thence about the bottom idlers 1&6, and is secured at its free or other end to the roller 163. By virtue of the travel path of the paper, it will be appreciated that different indicia can be provided on the respective faces of the paper, thereby permitting different material to be viewed through the top and bottom ends of the casing.

In addition to the rollers 197 and 1138 of each section S, there is provided a drive roller 1619 mounted in the casing adjacent the front wall 192 and which roller through a flexible transmission means T serves to rotate simultaneously the rollers 167 and 1118 of the respective computing sections.

The drive roller 109 includes a sprocket 11d rotatably mounted in an aperture in one side wall 100, and a shaft 111 is adapted to extend through the hub of the sprocket and be secured thereto by keys on the shaft fitting in grooves formed in the sprocket. The other end of the shaft is suitably journalled in the opposite side wall 1%. Each roller 107 and 108 also consists of a sprocket 112 rotatably supported in an opening one side wall 16%, a shaft 113 and a roller body 114. More particularly, the shaft 113 is formed with diametrically opposed keys 115 adapted to engage diametrically opposed grooves 116 and 117 formed in the roller body 114-, and sprocket hub, respectively. The other end of each shaft 113 is turnably supported in the opposite side wall of the casing.

The flexible transmission means T is preferably a chain 118, and the chain in trained about the sprockets 111 and 112 (FIG. 1). The shaft 113 can be driven by an electric motor (not shown) suitably coupled thereto for either clockwise or counter-clockwise rotation or by a hand crank. If the shaft is rotated clockwise, rollers 108 and 1137 of the first section, and rollers 107 of the second and third sections will be rotated in the same direction while rollers 198 of the second and third sections will be rotated in a counterclockwise direction.

In order to provide a lock for the apparatus, a cord or the like 119 is trained around a pulley 120 supported by the front wall 102, and the ends are secured to the shaft 111. The length of the cord is equal to the length of the smallest paper roll P, so that the cord wraps or unwraps about the shaft illdepending on the direction of rotation, thereby eifecting a lock for the apparatus.

A rod 121 carrying a paper roll 122 is supported withi in the casing adjacent the juncture of the top and bottom, respectively, to the surfaces 101a and 1101b of the rear wall. The paper can be drawn through a slot in he rear wall for positioning on the surface 101a and 10112, for permitting the operator to make any desired notes or the like thereon. A cutter blade can be associated with the slot for severing the paper from the roll.

It is obvious that each section includes a paper roll with the sole difference being in the arrangement of the mathematical indicia appearing thereon. For example, the first section computes interest rates for 4%, 4 /2% and 4 /3 for each month from $1.00 upward, the second section 5%, 5 /2% and 5%% and the third section 6%, 6 /z% and 6%%. Thus, the user can simultaneously see through the transparent sheet 103 the various interest rates for the same amount such as, for instance, interest rate for $100.00 will be shown in each section at the same time.

' The invention is not to be confined to any strict conformity to the showings in the drawings, but changes or modifications may be made therein so long as such changes or modifications mark no material departure from the spirit and scope of the appended claims.

What I claim is:

1. In a machine of the type described, a casing having open top and bottom ends, a transparent sheet closing each of said top and bottom ends, a plurality of sections Within said casing, each section comprising a pair of idler rolls freely rotatably mounted Within said casing adjacent said top end, a second pair of idler rolls freely rotatably All mounted adjacent said bottom end, a first roller mounted Within said casing below said first pair of idler rolls and otfset with respect thereto, a second roller mounted within said casing above said second pair of idler rolls and offset with respect thereto, a paper roll for each section bearing indicia or its face, one end of said paper roll being attached to the first roller with the paper passing over the idler rolls of the first pair, thence over the idler rolls of the second pair and the other end of the paper being attached to the second roller, a drive roller mounted in the casing, a sprocket for said drive roller and first and second rollers of each section, and a chain trained around said sprockets whereby rotation of the drive roller imparts rotation to said first and second rollers of each section thereby feeding the paper from one roll-er to tne other roller and vice versa whereby the indicia on the paper between the idler rolls of the respective pairs is visible through the transparent sheets.

2. The machine as claimed in claim 1, further including means cooperable with said drive roller to lock the machine after a predetermined number of revolutions of said roller in one direction.

3. The machine as claimed in claim 2, in which said locking means includes a pulley mounted within the easi g, a Cord having alength equal to the length of the smallest paper roll trained about the pulley and means securing the ends of the cord to the drive roller.

References Cited by the Examiner UNITED STATES PATENTS 1,052,276 2/13 Robertson 235- 86 1,327,044 1/20 Hosch 235'86 FOREIGN PATENTS 676,620 7/52 Great Britain.

34,279 7/11 Sweden.

LEO SMILOW, Primary Examiner. 

1. IN A MACHINE OF THE TYPE DESCRIBED, A CASING HAVING OPEN TOP AND BOTTOM ENDS, A TRANSPARENT SHEET CLOSING EACH OF SAID TOP AND BOTTOM ENDS, A PLURALITY OF SECTIONS WITHIN SAID CASING, EACH SECTION COMPRISING A PAIR OF IDLER WITHIN SAID CASING, EACH SECTION COMPRISING A PAIR OF IDLER SAID TOP END, A SECOND PAIR OF IDLER ROLLS FREELY ROTATABLY MOUNTED ADJACENT SAID BOTTOM END, A FIRST ROLLER MOUNTED WITHIN SAID CASING BELOW SAID FIRST PAIR OF IDLER ROLLS AND OFFSET WITH RESPECT THERETO, A SECOND ROLLER MOUNTED WITHIN SAID CASING ABOVE SAID SECOND PAIR OF IDLER ROLLS AND OFFSET WITH RESPECT THERETO, A PAPER ROLL FOR EACH SECTION BEARING INDICIA OR ITS FACE, ONE END OF SAID PAPER ROLL BEING ATTACHED TO THE FIRST ROLLER WITH THE PAPER PASSING OVER THE IDLER ROLLS OF THE FIRST PAIR, THENCE OVER THE IDLER ROLLS OF THE SECOND PAIR AND TH OTHER END OF THE PAPER BEING ATTACHED TO THE SECOND ROLLER, A DRIVE ROLER MOUNTED IN THE CASING, A SPROCKET FOR SAID DRIVE ROLLER AND FIRST AND SECOND ROLLERS OF EACH SECTION, AND A CHAIN TRAINED AROUND SIAD SPROCKETS WHEREBY ROTATION OF THE DRIVE ROLLER IMPARTS ROTATION TO SAID FIRT AND SECOND ROLLERS OF EACH SECTION THEREBY FEEDING THE PAPER FROM ONE ROLLER TO THE OTHER ROLLER AND VICE VERSA WHEREBY THE INDICIA ON THE PAPER BETWEEN THE IDLER ROLLS OF THE RESPECTIVE PAIRS IS VISIBLE THROUGH THE TRANSPARENT SHEETS. 